package file;

import java.io.File;

//文件过滤器Lambda版
public class ListFilesDemo3 {
    public static void main(String[] args) {
        File dir = new File(".");
        if(dir.isDirectory()){
            File[]subs = dir.listFiles(file ->file.getName().endsWith(".txt"));
            for (File sub:subs) {
                System.out.println(sub.getName());
            }
        }

    }
}
